Output more infos about downloaded image in debug mode

picard/coverart.py

@@ -202,9 +202,14 @@ class CoverArt:
                 },
                 echo=None
             )
-            log.debug("Cover art image downloaded: %r" % coverartimage)
             try:
                 coverartimage.set_data(data)
+                log.debug("Cover art image downloaded: %r [%s]" %
+                    (
+                        coverartimage,
+                        coverartimage.imageinfo_as_string()
+                    )
+                )
                 self.metadata.append_image(coverartimage)
                 for track in self.album._new_tracks:
                     track.metadata.append_image(coverartimage)

picard/coverartimage.py

@@ -155,6 +155,16 @@ class CoverArtImage:
             return True
         return (self.support_types == False)
 
+    def imageinfo_as_string(self):
+        if self.datahash is None:
+            return ""
+        return "w=%d h=%d mime=%s ext=%s datalen=%d file=%s" % (self.width,
+                                                                self.height,
+                                                                self.mimetype,
+                                                                self.extension,
+                                                                self.datalength,
+                                                                get_filename_from_hash(self.datahash))
+
     def __repr__(self):
         p = []
         if self.url is not None: